Frost history / Washington Wwtp 4W, NC
Washington Wwtp 4W, NC: frost dates by year
Last spring and first fall frost at NOAA station USC00319100, 2005 to 2025, measured from daily minimum temperatures.
Elevation 10 ft, 35.553, -77.072. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 24 | Nov 18 |
| Earliest | Feb 22 (2024) | Oct 31 (2008) |
| Latest | Apr 10 (2016) | Dec 6 (2009) |
| Trend | 0.9 days earlier per decade | 2.4 days later per decade |
| Years with data | 19 | 21 |
At 28°F (hard freeze) the median last spring date is Mar 8 and the median first fall date is Nov 24.
The trend is a straight-line fit through the years with a freeze. A positive spring trend means the last frost now comes later. Short or patchy records give noisy trends.
Chart
Last spring frost (32°F)
First fall frost (32°F)
Dots are single years. The gray line is the median, the green line the fitted trend.
Year by year
| Year | Last spring 32°F | First fall 32°F | Last spring 28°F | First fall 28°F |
|---|---|---|---|---|
| 2025 | Mar 3 | Nov 28 | Mar 3 | Nov 29 |
| 2024 | Feb 22 | Nov 30 | Jan 22 | Dec 1 |
| 2023 | Mar 21 | Nov 2 | Mar 21 | Nov 29 |
| 2022 | Mar 29 | Nov 18 | Mar 13 | Nov 21 |
| 2021 | Apr 3 | Nov 23 | Feb 21 | Nov 24 |
| 2020 | no data | Nov 19 | no data | Dec 26 |
| 2019 | Apr 2 | Nov 4 | Mar 8 | Nov 10 |
| 2018 | Apr 8 | Nov 11 | Mar 15 | Nov 23 |
| 2017 | Mar 24 | Nov 11 | Mar 17 | Nov 11 |
| 2016 | Apr 10 | Nov 13 | Feb 27 | Nov 22 |
| 2015 | Mar 29 | Nov 23 | Mar 29 | Nov 24 |
| 2014 | no data | Nov 14 | no data | Nov 15 |
| 2013 | Mar 29 | Nov 13 | Mar 25 | Nov 14 |
| 2012 | Mar 6 | Nov 25 | Feb 13 | Nov 25 |
| 2011 | Mar 29 | Nov 18 | Feb 17 | Dec 14 |
| 2010 | Mar 7 | Nov 28 | Feb 25 | Dec 7 |
| 2009 | Mar 22 | Dec 6 | Mar 4 | Dec 12 |
| 2008 | Feb 28 | Oct 31 | Feb 28 | Nov 19 |
| 2007 | Apr 10 | Nov 8 | Mar 19 | Dec 18 |
| 2006 | Mar 23 | Nov 4 | Mar 9 | Dec 8 |
| 2005 | Mar 15 | Nov 18 | Mar 9 | Nov 19 |
"none" means the station recorded no freeze at that threshold in that half of the year. "no data" means more than 10% of the season's daily readings were missing. Years with no usable data are left out. See the methodology for the rules, and the ZIP lookup for 1991 to 2020 frost probabilities.